[isalist] Can't get my DPM servers to communicate over TMG-based VPN

Any idea why my two DPM servers (the primary here in the home site and the 
secondary at a remote site) won't communicate over my TMG VPN? I can RDP to the 
remote DPM server, I can ping both ways on the VPN, but when I try to get the 
remote DPM server to talk with the primary DPM server, the secondary DPM says 
the primary agent is "Unavailable." I can't see any errors on TMG, but I may 
not be monitoring the right thing.

I set the VPN up according to Jim's book, Microsoft Forefront Threat Management 
Gateway (TMG) Administrator's Companion. The VPN seems to be working.

Thanks,
Rob

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Rob Moore
Network Manager
215-241-7870
Helpdesk: 800-500-AFSC

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